INFO: task kworker/1:0H:26 blocked for more than 143 seconds.
Not tainted 6.9.0-syzkaller-08414-g7ee332c9f12b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0H state:D stack:25208 pid:26 tgid:26 ppid:2 flags:0x00004000
Workqueue: bcachefs_btree_io btree_node_write_work
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
six_lock_slowpath+0x660/0x16a0 fs/bcachefs/six.c:493
six_lock_ip_waiter+0x117/0x160 fs/bcachefs/six.c:550
__btree_node_lock_nopath fs/bcachefs/btree_locking.h:208 [inline]
__bch2_btree_node_lock_write+0x11c/0x3c0 fs/bcachefs/btree_locking.c:429
__btree_node_lock_write fs/bcachefs/btree_locking.h:298 [inline]
bch2_btree_node_lock_write_nofail+0x24c/0x440 fs/bcachefs/btree_locking.c:443
__bch2_btree_node_update_key fs/bcachefs/btree_update_interior.c:2390 [inline]
bch2_btree_node_update_key+0x16ff/0x3260 fs/bcachefs/btree_update_interior.c:2450
bch2_btree_node_update_key_get_iter+0x87a/0xab0 fs/bcachefs/btree_update_interior.c:2494
btree_node_write_work+0x8a2/0xe10 fs/bcachefs/btree_io.c:1870
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task kworker/u9:2:5115 blocked for more than 144 seconds.
Not tainted 6.9.0-syzkaller-08414-g7ee332c9f12b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u9:2 state:D stack:18224 pid:5115 tgid:5115 ppid:2 flags:0x00004000
Workqueue: bcachefs bch2_write_point_do_index_updates
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
six_lock_slowpath+0x660/0x16a0 fs/bcachefs/six.c:493
six_lock_ip_waiter+0x117/0x160 fs/bcachefs/six.c:550
__btree_node_lock_nopath fs/bcachefs/btree_locking.h:208 [inline]
btree_node_lock_nopath+0xb6/0x160 fs/bcachefs/btree_locking.h:221
btree_node_lock fs/bcachefs/btree_locking.h:268 [inline]
btree_path_lock_root fs/bcachefs/btree_iter.c:760 [inline]
bch2_btree_path_traverse_one+0xc78/0x3250 fs/bcachefs/btree_iter.c:1178
bch2_extent_update+0x11b/0xbb0 fs/bcachefs/io_write.c:289
bch2_write_index_default fs/bcachefs/io_write.c:374 [inline]
__bch2_write_index+0xee9/0x2190 fs/bcachefs/io_write.c:528
bch2_write_point_do_index_updates+0x32e/0x690 fs/bcachefs/io_write.c:637
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
#0: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#0: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939
2 locks held by kworker/u8:0/11:
4 locks held by kworker/1:0H/26:
#0: ffff88805b4f9d48 ((wq_completion)bcachefs_btree_io){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88805b4f9d48 ((wq_completion)bcachefs_btree_io){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90000a0fd00 ((work_completion)(&wb->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90000a0fd00 ((work_completion)(&wb->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888049f04250 (&c->btree_trans_barrier
){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
){.+.+}-{0:0}, at: __bch2_trans_get+0x911/0xd30 fs/bcachefs/btree_iter.c:3069
#3: ffff88807dbd6870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline]
#3: ffff88807dbd6870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline]
#3: ffff88807dbd6870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:760 [inline]
#3: ffff88807dbd6870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa85/0x3250 fs/bcachefs/btree_iter.c:1178
1 lock held by khungtaskd/30:
#0: ffffffff8e3343a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
#0: ffffffff8e3343a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
#0: ffffffff8e3343a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
2 locks held by getty/4844:
#0: ffff88802ac980a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
5 locks held by kworker/u9:2/5115:
#0: ffff88807d9a4148 ((wq_completion)bcachefs){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88807d9a4148 ((wq_completion)bcachefs){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90002fafd00 ((work_completion)(&wp->index_update_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90002fafd00 ((work_completion)(&wp->index_update_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888049f04250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline]
#2: ffff888049f04250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline]
#2: ffff888049f04250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x911/0xd30 fs/bcachefs/btree_iter.c:3069
#3: ffff888015b00870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline]
#3: ffff888015b00870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline]
#3: ffff888015b00870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:760 [inline]
#3: ffff888015b00870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa85/0x3250 fs/bcachefs/btree_iter.c:1178
#4: ffff88807dbd6870 (&dev->mutex){....}-{3:3}, at: bch2_trans_iter_init fs/bcachefs/btree_iter.h:487 [inline]
#4: ffff88807dbd6870 (&dev->mutex){....}-{3:3}, at: bch2_write_index_default fs/bcachefs/io_write.c:369 [inline]
#4: ffff88807dbd6870 (&dev->mutex){....}-{3:3}, at: __bch2_write_index+0xbc3/0x2190 fs/bcachefs/io_write.c:528
3 locks held by kworker/u9:3/5118:
#0: ffff88802e979148 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88802e979148 ((wq_completion)hci6){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90002f8fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90002f8fd00 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff888079974d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x1ec/0x400 net/bluetooth/hci_sync.c:309
4 locks held by syz-executor.1/11316:
1 lock held by syz-executor.5/12026:
#0: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
#0: ffffffff8e339778 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:939
1 lock held by syz-executor.1/13505:
1 lock held by syz-executor.0/13509:
#0: ffff88802301e0e0 (&type->s_umount_key#60/1){+.+.}-{3:3}, at: alloc_super+0x221/0x9d0 fs/super.c:343
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-syzkaller-08414-g7ee332c9f12b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:380
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12662 Comm: kworker/u8:1 Not tainted 6.9.0-syzkaller-08414-g7ee332c9f12b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ether_addr_equal include/linux/etherdevice.h:355 [inline]
RIP: 0010:ieee80211_update_sta_info net/mac80211/ibss.c:977 [inline]
RIP: 0010:ieee80211_rx_bss_info net/mac80211/ibss.c:1097 [inline]
RIP: 0010:ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1578 [inline]
RIP: 0010:ieee80211_ibss_rx_queued_mgmt+0x668/0x2d70 net/mac80211/ibss.c:1605
Code: 04 20 84 c0 0f 85 87 1f 00 00 48 89 5c 24 58 44 8b 33 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 88 1f 00 00 45 33 75 00 <48> 8b 04 24 48 8d 58 14 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0
RSP: 0018:ffffc90004ad7840 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88802c9c7060 RCX: ffff8880204c0000
RDX: ffff8880204c0000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90004ad7ae8 R08: ffffffff8af74550 R09: 00000000000000f2
R10: dffffc0000000000 R11: fffff5200095aeea R12: dffffc0000000000
R13: ffff888067371972 R14: 0000000000000000 R15: 1ffff9200095af20
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3062b000 CR3: 000000002e720000 CR4: 0000000000350ef0
Call Trace:
ieee80211_iface_process_skb net/mac80211/iface.c:1605 [inline]
ieee80211_iface_work+0x8a3/0xf10 net/mac80211/iface.c:1659
cfg80211_wiphy_work+0x223/0x260 net/wireless/core.c:437
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2e/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd70 kernel/workqueue.c:3393
kthread+0x2f2/0x390 kernel/kthread.c:389
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244